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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6419) Change RPC layer to support SASL based mutual authentication
Date Tue, 02 Feb 2010 19:28:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828731#action_12828731
] 

Allen Wittenauer commented on HADOOP-6419:
------------------------------------------

bq. Does it matter that we don't allow server principals like "a@B.ORG" and insist on "a/c@B.ORG"?
Does SASL insist on it? It is certainly the standard practice, but we are forcing it as a
requirement.

IMO, I do not think Hadoop should force it as a requirement. 

> Change RPC layer to support SASL based mutual authentication
> ------------------------------------------------------------
>
>                 Key: HADOOP-6419
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6419
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: Kan Zhang
>            Assignee: Kan Zhang
>         Attachments: c6419-26.patch, c6419-39.patch, c6419-45.patch, c6419-66.patch,
c6419-67.patch, c6419-69.patch, c6419-70.patch, c6419-72.patch, c6419-73.patch
>
>
> The authentication mechanism to use will be SASL DIGEST-MD5 (see RFC-2222 and RFC-2831)
or SASL GSSAPI/Kerberos. Since J2SE 5, Sun provides a SASL implementation by default. Both
our delegation token and job token can be used as credentials for SASL DIGEST-MD5 authentication.

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